Downloads

Ventilation Requirements Calculator

XLS Spreadsheet download. 

Enter the square footage of your home or addition, and it will calculate upper and lower ventilation requirements. This xls file can be pasted into a drawing file.

Shows the math step-by-step for building department submittal.

Exhaust Fan Volume Calculator

XLS Spreadsheet download.

Enter the square footage of your home or addition, and it will calculate the required exhaust fan volume. This xls file can be pasted into a drawing file.

Shows the math step-by-step for building department submittal.